Определить массу газа, находящегося в баллоне емкостью

Determine the mass of gas present in the cylinder capacity of 25 liters at a temperature of - 23 ° C and a pressure of 200 kPa. The density of the gas under normal conditions of 2 kg / m ^ 3.

Task 20353. Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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